One of the most famous and prolific inventors of all time, Thomas Alva Edison exerted a tremendous influence on modern life, contributing inventions such as the incandescent light bulb, the phonograph, and the motion picture camera, as well as improving the telegraph and telephone.
Edison's most important invention is the light bulb. He had experimented more than 1600 times with heat-resistant materials and over 600 kinds of plant fibre before he made the first light bulb.
There are several ways in which the Chinese government reacted to demands for democratic reform, but most of them were violent suppressions of protests.
Issues resonate across cultures because of their different beliefs and practices. this causes arguments in what is right and wrong when it comes to religion.